<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <!-- 实现一个myEvery方法达到内置every效果 -->
  </body>
  <script>
    var arr = [true, true, false];
    var res = arr.every(function (item) {
      return item;
    });
    console.log(res);

    function myEvery(arr) {
      for (var i = 0; i < arr.length; i++) {
        if (arr[i] == false) {
          return false;
        }
      }
    }
    myEvery(function (arr) {
      console.log(arr);
    });
  </script>
</html>
